rút gọn và tính giá trị của các biểu thức sau

Các câu hỏi liên quan

viết lại câu (có cấu trúc hoặc công thức đi kèm càng tốt) y/c lm đúng 56. The last time she had a swim was five years ago. => She hasn’t ……………………………………………………………… 57. I asked the hotel porter to wake me at 8 o’clock the following morning. => “Please………………………………………………………………… 58. They’ll have to change the date of the meeting again. The date………………………………………………………………. 59. The garage is going to repair the car for us next week. We are going …………………………………………………………. 60. The bus takes longer than the train. The train………………………………………………………………. 61. John has not had his hair cut for over six months. It is…………………………………………………………………….. 62. Maria says she’d like to have been put in a higher class. Maria wishes………………………………………………………….. 63. Would you like me to finish the work tonight? I’ll……………………………………………………………………… 64. You may get hungry on the train, so take some sandwiches. In………………………………………………………………………. 65. My husband didn’t leave the car keys, so I couldn’t pick him up at the station.If my husband………………………………………………………….. 66. “I don’t think John will come”, said Bill Bill doubted…………………………………………………………….. 67. The postman was bitten by our dog. Our dog…………………………………………………………………. 68. We couldn’t drive because of the fog. The fog prevented………………………………………………………. 69. Although his leg was broken he managed to get out of the car. In spite………………………………………………………………….. 70. The cake was so hard so I couldn’t cat it. It was…………………………………………………………………….

viết lại câu (có cấu trúc hoặc công thức đi kèm càng tốt) y/c lm đúng 23. He objected to the fact that his secretary came to work late. => He was annoyed…………………………. 24. Tom is the most industrious pupil. => No other pupil…………….. 25. She isn’t accustomed to life in London => She’s not used to………………….. 26. “Don’t forget to phone the office,” she told him. => She reminded………………. 27. I’m afraid I haven’t got time to listen to you. => I wish……………………. 28. The police have just released John. => John……………………………………………………………………………………………. 29. I couldn’t hear them because they were speaking too softly. => They were speaking……… 30. We spent 5 hours getting to London. => It took…….. 31. I get to work in 20 minutes. => It ……………… 32. It is necessary that this work be finished by Monday. => This work……..33. It’s a pity I didn’t take my doctor’s advice. => I wish…………… 34. The bread is so tale we can’t eat it. => The bread isn’t………. 35. Who does this bag belong to? => Whose…….. 36. My boyfriend is very short-tempered. => My boyfriend loses………. 37. You can use it as long as you like, and it won’t wear out. => No matter…….. ……………………………………………………………………………….. 38. If the work is finished by lunchtime you can go home. => Get……………………………………………………………………………………….. 39. How have you been getting on with your enquiries? => How much………… 40. I gave Ted the massage, but he already knew about it. => I needn’t……… 41. The trains couldn’t run because of the snow. => The snow……………………………………………………………… 42. I didn’t arrived in time to see him. => I wasn’t early…………………………………………………………. 43. I’m sorry I was rude to you yesterday. => I apologize…………………………………………………………….. 44. She didn’t hurry, so she missed the train. => If………………………………………………………………………. 45. Barbara is the best tennis-player in the club. => No one…………………………………………………………………

Câu 1:Chuyển thành phép tính nhân rồi tính 9,42 kg + 9,42kg + 9,42 kg = ……………………………………………………………………… 8,2 mét vuông + 8,2 mét vuông + 8,2 mét vuông x 4= ……………………………………………………………………… 6,32 ha + 6,32ha x 9 =............................................................. Câu 2:Tính rồi ghi kết quả vào chỗ chấm ( 7 giờ 4 phút +6 giờ 35 phút ) : 3 =....................................................................... ( 4 phút 17 giây + 12 phút 38 giây ) x 5=........................................................................ ( 7 giờ - 6 giờ 15 phút ) x 6 =.................................................................................. Câu 3 :Lúc 8 giờ 45 phút một xe gắn máy đi từ A và một người đi xe đạp từ B xe gắn máy và xe đạp đi cùng chiều vận tốc xe gắn máy là 48,5 km/giờ phải của người đi xe đạp là 24,5 km/ giờ quãng đường AB dài 69km Hỏi xe gắn máy đuổi kịp xe đạp lúc mấy giờ Bài giải …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………